Mop liquid expeller



FIG. 1 is a front elevation view of the mop liquid expeller showing my new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines illustrate portions of the mop liquid expeller and form no part of the claimed design. 

CLAIM The ornamental design for a mop liquid expeller, as shown and described. 